agent402.tools · 662 listed services · provider site
Risk-adjusted return: (mean return - risk-free rate) / sample standard deviation of returns (n-1). Pass periodsPerYear to also get the annualized ratio (× sqrt(periodsPerYear)).
Compute Flesch-Kincaid Grade Level, Flesch Reading Ease, Gunning Fog Index, and Automated Readability Index from text. Returns all 4 scores plus word, sentence, and syllable counts.
Parse a URL query string into an object, or build one from an object. mode: parse (default) | build.
Open interest for one perpetual in coins and USD notional with its share of the venue total, or the top N contracts ranked by open interest plus the venue total. Use it when an agent needs positioning size for a market o...
Score a password's strength: character-set size, entropy bits, a 0–4 rating, and an estimated offline crack time. The password is never stored or logged.
A quick, low-cost web search sample as clean JSON: up to five ranked results with title, URL and snippet from an independent search index. Use it when an agent wants a first look at what a query returns, to check a topic...
Flatten an OpenAPI 3.x or Swagger 2.x spec into a structured list of callable endpoints - one row per operation with method, path, operationId, summary, tags, parameters (name / in / required / type), JSON-body flag, and...
Format a number: thousands separators, fixed decimals, optional currency, or compact (1.2K / 3.4M).
Compute the net present value of a stream of cashflows at a given discount rate. Index 0 is treated as t=0 (today, not discounted); indices 1..n are discounted by (1+rate)^t. Matches Excel's NPV but with the conventional...
Revoke a previously granted wallet's access to your namespace.
Tamper-evident history of changes to a namespace - a hash-chained audit log the server attests to (provenance an agent can't forge for itself). Entries are kept for a bounded window (see retention in the answer), and an...
Verify an HS256/384/512 JWT signature against a secret and check expiry. Returns valid + decoded payload. (HMAC algorithms only.)
Enumerate every <a href> in an HTML string with its anchor text and rel attribute. Optionally resolves relative hrefs against a base URL and filters by a regex on the href. The deterministic way to crawl a page's outlink...
Encode text to HTML entities or decode them back. mode: encode (default) or decode.
Turn a wall of dirty text - chat logs, scraped pages, user-generated content, log dumps - into something safe to store, search, and pipe into the next step. Measure first, redact PII before anything else touches the data...
Hex encode or decode text. mode: encode (default) or decode.
Is this domain legitimate? WHOIS age, DNS resolution, scam/phishing search results, and HTTP headers for a quick trust assessment. Brand protection skill pack: one x402 payment runs 4 underlying tools (whois, dns-lookup,...
Simple exponential smoothing (SES) - level-only forecast for series without trend or seasonality. Higher alpha (closer to 1) tracks recent values aggressively; lower alpha (closer to 0) smooths through noise. Default alp...
Three textbook baseline forecasts: mean (forecast = average of history), naive (forecast = last value), drift (linear extrapolation from first to last point). Use as a sanity floor - any sophisticated method (SES, Holt,...
Holt's linear trend method - level + trend (no seasonality). Two smoothing parameters: alpha (level) and beta (trend). Forecast extrapolates as a straight line from the last fitted level along the last fitted trend, so i...
Backtest a forecasting method on the input series by holding out the last `testSize` observations, forecasting them, and computing MAPE (mean absolute percentage error) + RMSE (root mean squared error). Lets an agent pic...
Financial math. op: "compound" (future value of principal at a rate) or "loan" (monthly payment + total for a loan).
What paying buyers said about each tool on this server: good and bad counts and the number of distinct wallets behind them, over a window you choose. Every verdict counted here was written by the wallet that paid for tha...
Validate an email address: syntax check plus live MX record lookup on the domain (deliverability signal, not a guarantee).
Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, lowercase and UPPERCASE.
Validate a payment card number (Luhn checksum) and detect the brand. Numbers are not stored or logged.
Extract text from a PNG or JPEG image - full text, overall confidence and per-line bounding boxes - from a URL or base64 payload, Tesseract on-device (no upstream API). Default English; other ISO 639-2 languages on reque...
Break-even point for a product: the units and revenue at which total revenue covers fixed plus variable costs. Also returns contribution margin and margin ratio.
Pull SEC filings, the latest close, historical prices, and macro context for a single ticker in one pass. Financial research skill pack: one x402 payment runs 6 underlying tools (stock-quote, stock-history, edgar-filings...
Return the most recent asset transfers (incoming + outgoing) for a wallet address - native coin, ERC-20, ERC-721, ERC-1155 - already merged and sorted newest first. Each row carries the block, tx hash, counterparty, asse...
Provider identity is derived from the domain or repository in the source record. If two vendors share a host, they appear together here — that is a limitation of the data, not a statement about ownership.